package com.hong.springboot.dao;

import com.hong.springboot.entity.User;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Select;

import java.util.List;

/**
 * @Auther: csh
 * @Date: 2020/8/18 15:04
 * @Description:用户dao层
 */

public interface UserMapper {
    @Select("select id,user_name,age from user")
    List<User> findAllUser();

    @Insert("insert into user (user_name,age) values(#{username},#{age})")
    int insert(User user);
}
